simple “all in one” office system can be molded very easily to fit your needs as the beech veneer shelves are completely and independently adjustable. A great space saving design goes a long way with wall-mounting shelves and if you combine a shelving unit with a desk.
DIY wall-mounted shelving :: Uses twin tracks & sturdy brackets; shelf heights are adjustable. Brackets are screwed to 3/4" boards that were sanded & stained. As was said, it's all about meticulous planning *before* drilling any holes :-) but otherwise a fairly easy project with readily-available components.